Our contribution addresses the methodological matters brought forward by the choices made in terms of field approach and data collection. In the first instance, we place our study back into the threefold context, – scientific, educational, and professional –, from which emerged an imperative need for it, along with the awareness of the partners that originally designed the research project, as well as the objectives assigned to it. Secondly, we consider the constraints and specificities we had to deal with during the constitution of our corpus in order to successfully achieve our research program. We examine the particular features that characterize the methodology we opted for with the aim of collecting data from different sources, as well as the choices on which it is based, the ethical and methodological issues it raised, and the particular processing it permitted us to complete. Thirdly and finally, we clarify how, during several successive steps in a long-term perspective, the data production process evolved our research questions in regard to the initial objectives of our study. This analysis ultimately enables us to contemplate the question of articulating and processing heterogeneous data generated by diverse sources in order to ensure overall coherence of our research.

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